Description
Penicillin G potassium salt is a biochemical-grade antibiotic salt at 96 % with CAS number 113-98-4 and empirical formula C₁₆H₁₇KN₂O₄S. The compound has a molar mass of 372,48 g/mol and a flash point of 335 °C, providing a defined solid for laboratory use. Researchers use this form when antimicrobial selection, contamination control or related workflows call for a potassium penicillin G reagent at the stated purity. Material from manufacturer Carl ROTH supports routine weighing, dissolution and incorporation into aqueous systems typical of biochemical protocols. The potassium salt complements other penicillin G preparations where the counter-ion and purity level matter for medium composition. Suitable for laboratories working with antibiotics and antimycotics, it matches catalogue specifications for penicillin G potassium salt used in cell-culture and biochemistry environments.
This article is part of Antibiotics & antimycotics, in Biochemicals & reagents.
Key features
- Assay: ≥96.0 %
- pH value: 5.5-7.5
- Loss on drying: ≤1,0 %
- CAS number: 113-98-4
- Pack sizes: 10 g, 25 g, 100 g
- EG nr.: 204-038-0
- Purity: 96 %
- Molar mass: 372,48 g/mol
- Flash point: 335 °C
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
DangerHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Penicillin G potassium salt, 96 %, for biochemistry, 10 g, plastic
What is this article?
Penicillin G potassium salt, 96 %, for biochemistry, 10 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Antibiotics & antimycotics, inside Biochemicals & reagents, in Microbiology lab supplies.
An antibiotic or an antimycotic for laboratory use is specified by potency, often micrograms per milligram, and by the spectrum it is used for in media. A hydrate and a free base differ in mass. Sterile solutions ready for culture and the dry powder are different articles. This is not a medicine for a patient.
A biochemical is a molecule of life, sold as a reagent: an amino acid, a sugar, a nucleotide, a lipid, an enzyme, an antibiotic. The difference from a bulk chemical is that the use is a biological one, and the impurities that matter are the ones that change that use. An enzyme is specified by activity, not only by mass. An antibiotic is specified by potency. Papers are on PubMed. Structures are on PubChem. Strains and lines that consume these reagents are at ATCC.
Which category should I open next?
The category is Biochemicals & reagents. The sub-category is Antibiotics & antimycotics. The catalogue is Microbiology lab supplies.
Shelves beside this one are Amino acids & peptides, Carbohydrates & sugars, Coenzymes, nucleotides & vitamins, Biochemicals (other), Enzymes & substrates, Lipids, steroids & fatty acids and Detergents & surfactants.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.